20783990 is an even 8-digits composite number following 20783989
and preceding 20783991 . In scientific notation, it is written as 2.0783990 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 8313592 positive integers (up to 20783990) that are relatively prime to 20783990.
20783990 has 8 divisors, whose sum is 37411200
The reverse of 20783990 is 09938702
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million seven hundred eighty-three thousand nine hundred ninety
Scientific notation
2.0783990 × 10^7
Engineering notation
2.0783990 × 10^6
Prime Factorization
2 × 5 × 2078399
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20783990
Product of the distinct prime numbers
The prime factorization of 20783990 is 2 × 5 × 2078399.
Since it has a total of 3 prime factors.
5 , 4 , 50 , 53 , 726 , 435 , 4680 , 3924 , 39087 , 44165 , 648176 , 993646 , 4618875 , 8707584 , 70279498 , 53306899 , 188330112 , 995243804 , 4078030496 , 8154785473
n×2
41567980
n×3
62351970
n×4
83135960
n×5
103919950
n÷2
10391995
n÷3
6927996.6666667
n÷3
5195997.5
n÷5
4156798
n2
431974240320100
n3
8.9781482910706E+21
n4
1.8660174430013E+29
n5
3.8783287875164E+36
2 √n
4558.9461501536
3 √n
274.94319487848
4 √n
67.519968528973
5 √n
29.076744812453
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20783989
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20783990 can be divided by 8 positive divisors.
The sum of these divisors (counting 20783990) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010010001101110110
3
Ternary
1110002221021102
4
Quaternary
1033102031312
5
Quinary
20310041430
6
Senary
2021250102
8
Octal
117221566
10
Decimal
20783990
12
Duodecimal
6b63932
16
Hexadecimal
13d2376
20
Vigesimal
69hjja
36
Base36
cdh12
md5
3048113e0021572ba3de31fa43010fe8
sha1
6b4b2bba8f9bd5dd63cbeac038278c7aff9e6ec6
sha256
fc151a01c6d2e498a3ff4af97c46774c1b8a1289d7470789a00d334695effe1b
sha512
498906b211053353c3aeb950064466a968f522e2fa96c6dcfe5d1ccd04293e2e7bc516fb4929267f4189384eab9dc31305a5d7a90e34b52ae5328d8e34a4c298
ripemd-160
132385b114b1af5ccb54fdf61a7639797a435123
Diameter
41567980
Circumference
130589660.59257
Area
1.3570870999297E+15
Volume
3.7607579618756E+22
Surface area
5.4283483997186E+15
Circumference
130589660.59257
Perimeter
83135960
Area
431974240320100
Diagonal
29393000.538227
Surface area
2591845441920600
Volume
8.9781482910706E+21
Space diagonal
35998926.664003
Perimeter
62351970
Area
1.8705033294885E+14
Altitude
17999463.332002
Surface area
1.8705033294885E+14
Volume
1.0580849231857E+21
Height
9797666.8460756